THRIFT-4448: Golang: do something with context.Context. Remove Go1.6 compatibility.
Client: go
This closes #1459
diff --git a/build/docker/ubuntu-xenial/Dockerfile b/build/docker/ubuntu-xenial/Dockerfile
index b69d7ea..832542e 100644
--- a/build/docker/ubuntu-xenial/Dockerfile
+++ b/build/docker/ubuntu-xenial/Dockerfile
@@ -15,7 +15,9 @@
# Using all stock Ubuntu Xenial packaging except for:
# - d: does not come with Ubuntu so we're installing 2.073.2 for coverage
# - dart: does not come with Ubuntu so we're installing 1.22.1 for coverage
-# - nodejs: Ubuntu comes with 4.2.6 which exits LTS April 2018, so we're installing 6.x
+# - dotnet: does not come with Ubuntu
+# - go: Xenial comes with 1.6, but we need 1.7 or later
+# - nodejs: Xenial comes with 4.2.6 which exits LTS April 2018, so we're installing 6.x
#
FROM buildpack-deps:xenial-scm
@@ -138,10 +140,15 @@
`# GlibC dependencies` \
libglib2.0-dev
-RUN apt-get install -y --no-install-recommends \
-`# golang (go) dependencies` \
- golang-go \
- golang-race-detector-runtime
+# golang
+ENV GOLANG_VERSION 1.7.6
+ENV GOLANG_DOWNLOAD_URL https://golang.org/dl/go$GOLANG_VERSION.linux-amd64.tar.gz
+ENV GOLANG_DOWNLOAD_SHA256 ad5808bf42b014c22dd7646458f631385003049ded0bb6af2efc7f1f79fa29ea
+RUN curl -fsSL "$GOLANG_DOWNLOAD_URL" -o golang.tar.gz && \
+ echo "$GOLANG_DOWNLOAD_SHA256 golang.tar.gz" | sha256sum -c - && \
+ tar -C /usr/local -xzf golang.tar.gz && \
+ ln -s /usr/local/go/bin/go /usr/local/bin && \
+ rm golang.tar.gz
RUN apt-get install -y --no-install-recommends \
`# Haskell dependencies` \